Fix extension_directories wildcards to always be recursive

Author: isaacroldan

packages/app/src/cli/models/app/app.test.ts

@@ -30,6 +30,7 @@ const CORRECT_CURRENT_APP_SCHEMA: CurrentAppConfiguration = {
   path: '',
   name: 'app 1',
   client_id: '12345',
+  extension_directories: ['extensions/*'],
   webhooks: {
     api_version: '2023-04',
     privacy_compliance: {

packages/app/src/cli/models/app/app.ts

@@ -23,6 +23,12 @@ import {getArrayRejectingUndefined} from '@shopify/cli-kit/common/array'
 
 // Schemas for loading app configuration
 
+const ExtensionDirectoriesSchema = zod
+  .array(zod.string())
+  .optional()
+  .transform(removeTrailingPathSeparator)
+  .transform(fixSingleWildcards)
+
 /**
  * Schema for a freshly minted app template.
  */
@@ -34,7 +40,7 @@ export const LegacyAppSchema = zod
       .string()
       .transform((scopes) => normalizeDelimitedString(scopes) ?? '')
       .default(''),
-    extension_directories: zod.array(zod.string()).optional().transform(removeTrailingPathSeparator),
+    extension_directories: ExtensionDirectoriesSchema,
     web_directories: zod.array(zod.string()).optional(),
     webhooks: zod
       .object({
@@ -49,6 +55,13 @@ function removeTrailingPathSeparator(value: string[] | undefined) {
   // eslint-disable-next-line no-useless-escape
   return value?.map((dir) => dir.replace(/[\/\\]+$/, ''))
 }
+
+// If a path ends with a single asterisk, modify it to end with a double asterisk.
+// This is to support the glob pattern used by chokidar and watch for changes in subfolders.
+function fixSingleWildcards(value: string[] | undefined) {
+  return value?.map((dir) => dir.replace(/\*$/, '**'))
+}
+
 /**
  * Schema for a normal, linked app. Properties from modules are not validated.
  */
@@ -62,7 +75,7 @@ export const AppSchema = zod.object({
       include_config_on_deploy: zod.boolean().optional(),
     })
     .optional(),
-  extension_directories: zod.array(zod.string()).optional().transform(removeTrailingPathSeparator),
+  extension_directories: ExtensionDirectoriesSchema,
   web_directories: zod.array(zod.string()).optional(),
 })